Mineralogy Database

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1534 samples matching your criteria

  • Sample n°4570 : black octahedral crystals (3 cm)
    Minerals: FERBERITE
    Year: 1954
    Country: Rwanda
  • Sample n°4571 : altered ferberite crystal (1 cm) in saccharoidal quartz, with hydrokenoesmoreite (var. ferritungstite)
    Minerals: ANTHOINITE HYDROKENOELSMOREITE
    Year: 1954
    Country: Rwanda
  • Sample n°4577 : groups of parallel grey prismatic crystals (8-20 cm)
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4578 : short bipyramidal prismatic crystal (5 cm)
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4594 : dark prismatic crystal
    Minerals: QUARTZ
    Year: 1954
    Country: Rwanda
  • Sample n°4604 : pentagonal dodecahedron (1 cm)
    Minerals: GARNET
    Year: 1954
    Country: Rwanda
  • Sample n°4606 : concentrate composed of round brown crystals (5 mm)
    Minerals: GARNET
    Year: 1954
    Country: Rwanda
  • Sample n°4625 : yellow transparent plate with rust-coloured surface (10 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4626 : large transparent prismatic crystal (20 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
  • Sample n°4627 : prismatic pyramidal crystals (3 cm)
    Minerals: TOPAZ
    Year: 1954
    Country: Rwanda
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